Unbleached Kraft Packaging Paperboard 275 gsm
Uncoated unbleached kraft paperboard rolls, 275 g/m², for manufacturing rigid boxes and inserts. High tensile strength from chemical sulfate pulp. Fits 4804.51.00.00: other kraft ≥225 g/m², unbleached.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If weighs 60-115 g/m² and meets sack kraft specs
Lighter weight with tear/tensile minima qualifies as sack kraft in 4804.21.
If semichemical fluting with ≥65% unbleached hardwood
Different pulping process (mech+chem) for fluting moves to 4805.11.
If imported as pre-formed boxes
Assembled into cartons classifies under 4819, not raw paperboard.
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Import Tips & Compliance
• Document grammage precisely; border-line weights often audited
• Confirm no clay or other coatings via inspection to stay in uncoated heading
• Bulk imports should specify end-use as paperboard, not converted articles
Related Products under HTS 4804.51.00.00
Unbleached Kraft Linerboard 300 gsm
Unbleached kraft paperboard in rolls, weighing 300 g/m², made from at least 80% sulfate process wood fibers, used as the outer liner for corrugated boxes. It meets kraftliner specifications with high Mullen bursting strength suitable for heavy-duty packaging. Classified under 4804.51.00.00 as uncoated kraft paperboard over 225 g/m², unbleached, not qualifying as newprint under 4802/4803.
Unbleached Heavy Kraft Paperboard Sheets 250 gsm
Uncoated unbleached kraft paperboard in sheets, 250 g/m², produced via sulfate process for industrial packaging and void fillers. High strength from wood fibers makes it ideal for protective inserts. Falls under 4804.51.00.00 as other uncoated kraft paperboard ≥225 g/m², unbleached.
Unbleached Kraft Testliner 225 gsm Rolls
Unbleached uncoated kraft paperboard rolls at 225 g/m², used as inner liner for corrugated fiberboard boxes. Made predominantly from sulfate wood pulp for burst resistance. HTS 4804.51.00.00 covers this as other unbleached kraft ≥225 g/m².
Industrial Unbleached Kraft Board 400 gsm
Heavy unbleached kraft paperboard, 400 g/m² in sheets, for machinery padding and heavy packaging. Sulfate process ensures strength without coating. Under 4804.51.00.00 as uncoated, unbleached kraft >225 g/m².
Unbleached Sulfate Kraft Liner 350 gsm Sheets
Sheets of unbleached kraft paperboard, 350 g/m², sulfate process, for top liner in shipping containers. Uncoated for recyclability. HTS 4804.51.00.00 for unbleached other kraft ≥225 g/m².
Heavy Duty Unbleached Kraft Board 500 gsm Rolls
Extra heavy unbleached uncoated kraft paperboard rolls, 500 g/m², for pallet separators and industrial mats. Sulfate fibers provide superior durability. Classified in 4804.51.00.00 as kraft >225 g/m².